/* eslint-disable */
/* tslint:disable */

/**
 * Mock Service Worker (1.3.5).
 * @see https://github.com/mswjs/msw
 * - Please do NOT modify this file.
 * - Please do NOT serve this file on production.
 */

const INTEGRITY_CHECKSUM = '3d6b9f06410d179a7f7404d4bf4c3c70';
const activeClientIds = new Set();

self.addEventListener('install', function () {
	self.skipWaiting();
});

self.addEventListener('activate', function (event) {
	event.waitUntil(self.clients.claim());
});

self.addEventListener('message', async function (event) {
	const clientId = event.source.id;

	if (!clientId || !self.clients) {
		return;
	}

	const client = await self.clients.get(clientId);

	if (!client) {
		return;
	}

	const allClients = await self.clients.matchAll({
		type: 'window',
	});

	switch (event.data) {
		case 'KEEPALIVE_REQUEST': {
			sendToClient(client, {
				type: 'KEEPALIVE_RESPONSE',
			});
			break;
		}

		case 'INTEGRITY_CHECK_REQUEST': {
			sendToClient(client, {
				type: 'INTEGRITY_CHECK_RESPONSE',
				payload: INTEGRITY_CHECKSUM,
			});
			break;
		}

		case 'MOCK_ACTIVATE': {
			activeClientIds.add(clientId);

			sendToClient(client, {
				type: 'MOCKING_ENABLED',
				payload: true,
			});
			break;
		}

		case 'MOCK_DEACTIVATE': {
			activeClientIds.delete(clientId);
			break;
		}

		case 'CLIENT_CLOSED': {
			activeClientIds.delete(clientId);

			const remainingClients = allClients.filter((client) => {
				return client.id !== clientId;
			});

			// Unregister itself when there are no more clients
			if (remainingClients.length === 0) {
				self.registration.unregister();
			}

			break;
		}
	}
});

self.addEventListener('fetch', function (event) {
	const { request } = event;
	const accept = request.headers.get('accept') || '';

	// Bypass server-sent events.
	if (accept.includes('text/event-stream')) {
		return;
	}

	// Bypass navigation requests.
	if (request.mode === 'navigate') {
		return;
	}

	// Opening the DevTools triggers the "only-if-cached" request
	// that cannot be handled by the worker. Bypass such requests.
	if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') {
		return;
	}

	// Bypass all requests when there are no active clients.
	// Prevents the self-unregistered worked from handling requests
	// after it's been deleted (still remains active until the next reload).
	if (activeClientIds.size === 0) {
		return;
	}

	// Generate unique request ID.
	const requestId = Math.random().toString(16).slice(2);

	event.respondWith(
		handleRequest(event, requestId).catch((error) => {
			if (error.name === 'NetworkError') {
				console.warn(
					'[MSW] Successfully emulated a network error for the "%s %s" request.',
					request.method,
					request.url,
				);
				return;
			}

			// At this point, any exception indicates an issue with the original request/response.
			console.error(
				`\
[MSW] Caught an exception from the "%s %s" request (%s). This is probably not a problem with Mock Service Worker. There is likely an additional logging output above.`,
				request.method,
				request.url,
				`${error.name}: ${error.message}`,
			);
		}),
	);
});

async function handleRequest(event, requestId) {
	const client = await resolveMainClient(event);
	const response = await getResponse(event, client, requestId);

	// Send back the response clone for the "response:*" life-cycle events.
	// Ensure MSW is active and ready to handle the message, otherwise
	// this message will pend indefinitely.
	if (client && activeClientIds.has(client.id)) {
		(async function () {
			const clonedResponse = response.clone();
			sendToClient(client, {
				type: 'RESPONSE',
				payload: {
					requestId,
					type: clonedResponse.type,
					ok: clonedResponse.ok,
					status: clonedResponse.status,
					statusText: clonedResponse.statusText,
					body: clonedResponse.body === null ? null : await clonedResponse.text(),
					headers: Object.fromEntries(clonedResponse.headers.entries()),
					redirected: clonedResponse.redirected,
				},
			});
		})();
	}

	return response;
}

// Resolve the main client for the given event.
// Client that issues a request doesn't necessarily equal the client
// that registered the worker. It's with the latter the worker should
// communicate with during the response resolving phase.
async function resolveMainClient(event) {
	const client = await self.clients.get(event.clientId);

	if (client?.frameType === 'top-level') {
		return client;
	}

	const allClients = await self.clients.matchAll({
		type: 'window',
	});

	return allClients
		.filter((client) => {
			// Get only those clients that are currently visible.
			return client.visibilityState === 'visible';
		})
		.find((client) => {
			// Find the client ID that's recorded in the
			// set of clients that have registered the worker.
			return activeClientIds.has(client.id);
		});
}

async function getResponse(event, client, requestId) {
	const { request } = event;
	const clonedRequest = request.clone();

	function passthrough() {
		// Clone the request because it might've been already used
		// (i.e. its body has been read and sent to the client).
		const headers = Object.fromEntries(clonedRequest.headers.entries());

		// Remove MSW-specific request headers so the bypassed requests
		// comply with the server's CORS preflight check.
		// Operate with the headers as an object because request "Headers"
		// are immutable.
		delete headers['x-msw-bypass'];

		return fetch(clonedRequest, { headers });
	}

	// Bypass mocking when the client is not active.
	if (!client) {
		return passthrough();
	}

	// Bypass initial page load requests (i.e. static assets).
	// The absence of the immediate/parent client in the map of the active clients
	// means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
	// and is not ready to handle requests.
	if (!activeClientIds.has(client.id)) {
		return passthrough();
	}

	// Bypass requests with the explicit bypass header.
	// Such requests can be issued by "ctx.fetch()".
	if (request.headers.get('x-msw-bypass') === 'true') {
		return passthrough();
	}

	// Notify the client that a request has been intercepted.
	const clientMessage = await sendToClient(client, {
		type: 'REQUEST',
		payload: {
			id: requestId,
			url: request.url,
			method: request.method,
			headers: Object.fromEntries(request.headers.entries()),
			cache: request.cache,
			mode: request.mode,
			credentials: request.credentials,
			destination: request.destination,
			integrity: request.integrity,
			redirect: request.redirect,
			referrer: request.referrer,
			referrerPolicy: request.referrerPolicy,
			body: await request.text(),
			bodyUsed: request.bodyUsed,
			keepalive: request.keepalive,
		},
	});

	switch (clientMessage.type) {
		case 'MOCK_RESPONSE': {
			return respondWithMock(clientMessage.data);
		}

		case 'MOCK_NOT_FOUND': {
			return passthrough();
		}

		case 'NETWORK_ERROR': {
			const { name, message } = clientMessage.data;
			const networkError = new Error(message);
			networkError.name = name;

			// Rejecting a "respondWith" promise emulates a network error.
			throw networkError;
		}
	}

	return passthrough();
}

function sendToClient(client, message) {
	return new Promise((resolve, reject) => {
		const channel = new MessageChannel();

		channel.port1.onmessage = (event) => {
			if (event.data && event.data.error) {
				return reject(event.data.error);
			}

			resolve(event.data);
		};

		client.postMessage(message, [channel.port2]);
	});
}

function sleep(timeMs) {
	return new Promise((resolve) => {
		setTimeout(resolve, timeMs);
	});
}

async function respondWithMock(response) {
	await sleep(response.delay);
	return new Response(response.body, response);
}
